CN219191100U - Injection mold with multi-cavity assembly - Google Patents

Abstract

The utility model relates to the technical field of injection molds, and provides an injection mold with multi-cavity components, including a lower mold body, the top of the lower mold body is detachably mounted with an upper mold body, and the right front side of the top of the lower mold body is fixed A switch is installed; the injection mold with multi-cavity components is used in conjunction with the vertical plate structure and the model block structure, the model block is fixed and installed in the groove through threads, and then the hot melted liquid is injected, and then the upper mold The body moves to the top of the lower mold body to fix the two. At this time, press the start switch to control the start of the fan. , the square groove, the second strip groove, the fourth strip groove and the outside air, so as to speed up the air circulation between the first strip groove, the second strip groove and the third strip groove in the inner cavity of the lower mold and the outside world, and accelerate the lowering The cooling of the mold body achieves the effect of quickly closing the mold and automatically accelerating the cooling and forming of the workpiece.

Description

An injection mold with a multi-cavity component

technical field

The utility model relates to the technical field of injection molds, in particular to an injection mold with multi-cavity components.

Background technique

Multi-cavity injection mold is a mold for injection molding production process with two or more cavities. Injection molding refers to heating and melting raw materials through an injection molding machine and spraying them into the cavity of the mold. After cooling and solidification, the obtained A method of plastic molding.

After searching, the Chinese patent announcement number is CN217293255U, which discloses an injection mold with multi-cavity components. In this patent, the pressure plate is used to limit the cavity box and the ejector rod is used to push the molded workpiece out of the cavity box. , however, structures such as limit plates can quickly disassemble and install the membrane cavity box. The structure is relatively cumbersome and complicated. At the same time, in this patent, it is necessary to infer each ejector rod to extrude the formed workpiece in the direction of the top of each ejector rod. Membrane box, the process is complicated, and the molding speed of the workpiece cannot be accelerated, and after repeated use, the spring force of the auxiliary ejector pin reset is easy to change, which will cause the position of the ejector pin to rise or move down, making the bottom of the formed workpiece concave or convex. It will affect the forming effect of the workpiece.

Utility model content

The utility model proposes an injection mold with multi-cavity components, which has the advantages of quickly closing the mold, automatically speeding up the cooling and forming of workpieces, quickly dismantling and replacing different membrane cavity boxes, and taking out all the workpieces at one time after molding, which solves the problem of related technologies. It takes a lot of time to close the middle mold and a lot of time to assist the workpiece cooling and forming, and the process of replacing the membrane cavity box is cumbersome and it is impossible to eject all the molded workpieces at one time.

The technical scheme of the utility model is as follows: an injection mold with multi-cavity components, including a lower mold body, the top of the lower mold body is detachably mounted with an upper mold body, and a switch is fixedly installed on the right front side of the top of the lower mold body , the top of the lower mold body is evenly opened with grooves, the inner cavity of the groove is detachably installed with a model block, the bottom of the inner cavity of the model block is opened with a round hole 1, and the middle part of the lower mold body is opened with a square groove, the inner cavity of the square groove A battery pack is fixedly installed in the middle of the battery pack, fans are fixedly installed on the front and rear sides of the battery pack, strip grooves are provided on the left and right sides of the top of the lower mold body, and elastic plates are fixedly installed on the bottom of the inner cavity of the strip groove. The top of the elastic plate is fixed with a vertical plate, the inner cavity of the lower mold is provided with two strip grooves, the left and right sides of the lower mold body are provided with three strip grooves, and the top of the three strip grooves is provided with a strip groove Four, the inner cavity of the strip groove four is movably provided with a baffle plate, and the top of the baffle plate is fixedly equipped with a connecting rope.

Preferably, the bottom of the lower mold body is uniformly provided with a circular hole 2, a cylinder is movably installed in the inner cavity of the circular hole 2, a base plate is fixedly installed at the bottom of the cylinder, and a spring 1 is fixedly installed on the top of the base plate. The bottom of the cavity is evenly and fixedly equipped with magnetic blocks, and connecting rods are fixedly installed between all base plates, and the top of the middle part of the connecting rods is fixedly installed with spring two.

Preferably, the bottom of the upper mold body is provided with a concave hole matching the shape and size of the model block and the vertical plate, so that when in use, the upper mold body and the lower mold body can be quickly aligned by using the vertical plate, which is convenient for the upper mold body and the lower mold body. Assembly of the lower phantom.

Preferably, the top of the switch protrudes from the top surface of the lower mold body, the switch is electrically connected to the fan and the battery pack through wires, and a driving motor is arranged inside the fan, so that when in use, the upper mold body moves down to the top of the lower mold body Finally, press the start switch to control the start of the fan to speed up the air circulation between the first strip groove, the second strip groove and the third strip groove in the inner cavity of the lower mold and the outside world, so as to speed up the cooling of the lower mold body and facilitate the cooling of the mold block. Rapid prototyping of products.

Preferably, the top inner wall of the groove is provided with threads matching the outer surface of the top of the model block, so that the thread can be used to quickly install and disassemble the model block and the groove during use.

Preferably, the top of the baffle passes through the inner wall of the lower mold body and is fixedly connected to the bottom of the riser through a connecting rope, and the first strip groove, the square groove, the second strip groove and the fourth strip groove are connected through each other, and the strip groove One is located on the side of the bar-shaped groove three close to the middle of the lower mold body, so that when in use, the upper mold body moves down and the lower mold body is combined and fixed, and the vertical plate moves down through the connecting rope to drive the baffle to move up and shrink to the bar-shaped groove four Inside, make the communication between the strip groove 1, the square groove, the strip groove 2, the strip groove 4 and the outside air.

Preferably, the first round hole and the second round hole are on the same vertical plane, and the diameters of the inner surfaces of the first round hole and the second round hole match the diameter of the outer surface of the cylinder, so that when in use, the round hole is blocked by a cylinder The gap between hole one and hole two.

Preferably, the spring one is installed on the outer surface of the cylinder, and the bottom plate is fixedly installed on the top of the inner cavity of the lower mold through the spring one, and the position and quantity of the magnetic blocks match the position and quantity of the bottom plate. The magnetic poles are opposite, so that when in use, by pressing the middle part of the connecting rod, all the cylinders will move up in the first and second holes, so that the cooled and formed product in the inner cavity of the model block will be moved up and pushed out, and then the connecting rod will not be pressed any longer. The rod, under the elastic force of spring one and spring two, the cylinder moves down automatically, and at the same time, the cylinder can automatically return to its original position by using the magnetic force between the magnet block and the bottom plate.

Working principle of the present utility model and beneficial effect are:

1. The injection mold with multi-cavity components is used in conjunction with the vertical plate structure and the model block structure. The model block is fixed and installed in the groove through threads, and then the hot-melted liquid is injected, and then the upper mold body is moved. Go to the top of the lower mold body to fix the two, then press the start switch to control the start of the fan, and at the same time the vertical plate moves down through the connecting rope to drive the baffle to move up and shrink into the strip groove 4, making the strip groove 1 and square The connection between the groove, the second strip groove, the fourth strip groove and the outside air, so as to speed up the air circulation between the first strip groove, the second strip groove and the third strip groove in the inner cavity of the lower mold and the outside world, and accelerate the lower mold body The cooling can achieve the effect of quickly closing the mold and automatically accelerating the cooling and forming of the workpiece.

2. The injection mold with multi-cavity components separates the lower mold body from the upper mold body through the cooperation of the cylindrical structure and the connecting rod structure, and then presses the middle part of the connecting rod so that all the cylinders are in the round hole one and the round hole The second moves up, so that the cooled and formed product in the inner cavity of the model block is moved up and pushed out. After that, the connecting rod is no longer pressed, and the cylinder automatically moves down under the elastic force of spring 1 and spring 2. At the same time, the magnetic block and the bottom plate are used. The magnetic force between the cylinders can automatically return to the original position, achieving the effect of quickly disassembling and replacing different membrane chamber boxes and taking out all the workpieces at one time after molding.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is the front appearance schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the appearance of the bottom of the overall structure of the utility model;

Fig. 3 is a schematic diagram of the appearance after the bottom of the overall structure of the utility model is cut;

Fig. 4 is a schematic diagram of the frontal elevation angle after the overall structure of the utility model is cut;

Fig. 5 is a schematic diagram of the front depression angle after the overall structure of the utility model is cut;

Fig. 6 is a structural schematic diagram of place A in Fig. 3 of the present utility model;

Fig. 7 is a schematic diagram of the structure at B in Fig. 4 of the present invention.

In the figure: 1. Lower mold body; 2. Upper mold body; 3. Switch; 4. Groove; 5. Model block; 6. Round hole one; 7. Square slot; 8. Battery pack; 9. Fan; 10 1. Strip groove one; 11. Elastic plate; 12. Vertical board; 13. Strip groove two; 14. Strip groove three; 15. Strip groove four; 16. Baffle plate; 17. Connecting rope; 18. Round Hole two; 19, cylinder; 20, base plate; 21, spring one; 22, magnetic block; 23, connecting rod; 24, spring two.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all involve the scope of protection of the present utility model.

Please refer to Figures 1 to 7, an injection mold with multi-cavity components, including a lower mold body 1, an upper mold body 2 is detachably installed on the top of the lower mold body 1, and an upper mold body 2 is installed on the bottom of the upper mold body 2. Concave holes matching the shape and size of the model block 5 and the riser 12, so that when in use, the upper mold body 2 and the lower mold body 1 can be quickly aligned with the riser 12, which facilitates the assembly of the upper mold body 2 and the lower mold body 1 A switch 3 is fixedly installed on the right front side of the top of the lower mold body 1, and the top of the lower mold body 1 is evenly provided with a groove 4, and the inner cavity of the groove 4 is detachably installed with a model block 5, and the top inner wall of the groove 4 is provided with The thread that matches the outer surface of the top of the model block 5, so that the thread can be used to quickly install and disassemble the model block 5 and the groove 4. The bottom of the cavity of the model block 5 is provided with a round hole 6, and the middle part of the lower mold body 1 is opened There is a square groove 7, and the middle part of the cavity of the square groove 7 is fixedly equipped with a battery pack 8, and fans 9 are fixedly installed on the front and rear sides of the battery pack 8, and the top of the switch 3 protrudes from the top surface of the lower mold body 1, and the switch 3 passes through The wire is electrically connected with the fan 9 and the battery pack 8, and the inside of the fan 9 is provided with a drive motor, so that when in use, the upper mold body 2 moves down to the top of the lower mold body 1, and the start switch 3 is pressed to control the fan 9 to start. Accelerate the air circulation between the first strip groove 10, the second strip groove 13 and the third strip groove 14 of the lower mold body 1 and the outside world, so as to accelerate the cooling of the lower mold body 1 and facilitate the rapid prototyping of the products in the model block 5. The left and right sides of the lower mold body 1 top are all provided with a strip groove-10, the bottom of the strip groove-10 inner cavity is fixedly equipped with an elastic plate 11, and the top of the elastic plate 11 is fixedly equipped with a riser 12, and the lower mold body 1 Two strip grooves 13 are provided around the inner cavity, three strip grooves 14 are provided on the left and right sides of the lower mold body 1, four strip grooves 15 are provided on the top of the three strip grooves 14, four strip grooves 15 The inner cavity of the baffle plate 16 is movably installed, and the top of the baffle plate 16 is fixedly equipped with a connecting rope 17. The top of the baffle plate 16 passes through the inner wall of the lower mold body 1 through the connecting rope 17 and is fixedly connected with the bottom of the vertical plate 12. Groove one 10, square groove 7, strip groove two 13 and strip groove four 15 are connected through, and strip groove one 10 is positioned at the side of strip groove three 14 near the middle of lower die body 1, so that when in use, the upper die body 2. After moving down and fixing the lower mold body 1, the riser 12 moves down and drives the baffle plate 16 to move up and shrink into the strip groove 15 through the connecting rope 17, so that the strip groove 10, the square groove 7, and the strip groove Two 13, the connection between the strip groove four 15 and the outside air, the bottom of the lower mold body 1 is evenly provided with a round hole two 18, the round hole one 6 and the round hole two 18 are in the same vertical plane, the round hole one 6 and the round hole two 18 are in the same vertical plane. The diameter of the inner surface of the round hole two 18 matches the diameter of the outer surface of the cylinder 19, so that when in use, the cylinder 19 is used to block the gap between the round hole one 6 and the round hole two 18, and the inner cavity of the round hole two 18 Cylinder 19 is movably installed, and base plate 20 is fixedly installed on the bottom of column 19, and spring 21 is fixedly installed on the top of base plate 20, and magnetic block 22 is evenly fixedly installed on the bottom of lower mold body 1 bottom cavity, and all base plates 20 are fixed Connecting rod 23 is installed, and the top of connecting rod 23 middle part is fixedly installed with spring two 24, and spring one 21 is installed on the outer surface of cylinder 19, and bottom plate 20 is fixedly installed with the top of lower mold body 1 cavity by spring one 21, and magnetic block The position and quantity of 22 all match the position and quantity of the base plate 20, and the magnetic poles between the magnetic block 22 and the base plate 20 are opposite, so that when in use, by pressing the middle part of the connecting rod 23, all the cylinders 19 are in the circular hole-6 and the circle The second hole 18 is moved up, so that the cooled and formed product in the inner cavity of the model block 5 is moved up and pushed out, and then the connecting rod 23 is no longer pressed, and the cylinder 19 automatically moves down under the elastic force of the spring 1 21 and the spring 2 24. At the same time, the cylinder 19 can automatically return to the original position by using the magnetic force between the magnetic block 22 and the bottom plate 20 .

Working principle: First, the model block 5 is fixed and installed in the groove 4 through threads, and then the hot-melted liquid is injected, and then the upper mold body 2 is moved to the top of the lower mold body 1 to fix the two, and at this time, press the start switch 3 In this way, the fan 9 is controlled to start, and the riser 12 moves down and the baffle plate 16 moves up and contracts through the connecting rope 17 to move up and shrink into the strip slot four 15, so that the strip slot one 10, the square slot 7, the strip slot two 13, The communication between strip groove 4 15 and the outside air accelerates the air circulation between strip groove 1 10, strip groove 2 13 and strip groove 3 14 of lower mold body 1 and the outside world, and accelerates lower mold body 1 The cooling can achieve the effect of quickly closing the mold and automatically speeding up the cooling and forming of the workpiece;

After a period of time, at first the lower mold body 1 is separated from the upper mold body 2, and then the middle part of the connecting rod 23 is pressed, so that all the cylinders 19 move up in the first round hole 6 and the second round hole 18, so that the mold block 5 is moved up. The cooled and formed product of the cavity is moved up and pushed out, and then the connecting rod 23 is no longer pressed, and the cylinder 19 automatically moves down under the elastic force of the spring 1 21 and the spring 2 24. At the same time, the magnetic force between the magnetic block 22 and the bottom plate 20 is used to make the cylinder 19 can automatically return to the initial position, achieving the effect of quickly dismantling and replacing different membrane chamber boxes and taking out all the workpieces at one time after molding.

To sum up, this injection mold with multi-cavity components, compared with general similar devices, this device has the ability to quickly close the mold and automatically speed up the cooling and molding of the workpiece, and quickly disassemble and replace different cavity boxes. The advantage of taking out the entire workpiece.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in the utility model. within the scope of the new protection.

Claims (8)

1. an injection mold with multi-cavity assembly, is characterized in that, comprises lower mold body (1), the top of described lower mold body (1) is detachably installed with upper mold body (2), lower mold body ( 1) A switch (3) is fixedly installed on the right front side of the top, grooves (4) are evenly opened on the top of the lower mold body (1), and a model block (5) is detachably installed in the inner cavity of the groove (4). The bottom of the inner cavity of the block (5) is provided with a round hole one (6), the middle part of the lower mold body (1) is provided with a square groove (7), and the middle part of the inner cavity of the square groove (7) is fixedly equipped with a battery pack (8). , the front and rear sides of the battery pack (8) are all fixedly equipped with a fan (9), the left and right sides of the top of the lower mold body (1) are all provided with a strip groove one (10), and the strip groove one (10) inner cavity The bottom of the elastic plate (11) is fixedly installed with an elastic plate (11), and the top of the elastic plate (11) is fixedly equipped with a vertical plate (12), and the four sides of the lower mold body (1) inner cavity are provided with two strip grooves (13), and the lower mold The left and right sides of the body (1) are provided with three strip grooves (14), and the top of the three strip grooves (14) is provided with four strip grooves (15), and the inner cavity of the four strip grooves (15) is movably installed. Baffle plate (16) is arranged, and the top of baffle plate (16) is fixedly equipped with connecting rope (17). 2. A kind of injection mold with multi-cavity assembly according to claim 1, characterized in that, the bottom of the lower mold body (1) is evenly provided with two round holes (18), two round holes (18) A cylinder (19) is movably installed in the inner chamber of the cylinder (19), and a base plate (20) is fixedly installed at the bottom of the cylinder (19), and a spring one (21) is fixedly installed on the top of the base plate (20), and a spring one (21) is fixedly installed on the bottom of the cylinder (19). Bottom is evenly fixedly equipped with magnetic block (22), and connecting rod (23) is fixedly installed between all base plates (20), and the top of connecting rod (23) middle part is fixedly installed with spring two (24). 3. A kind of injection mold with multi-cavity assembly according to claim 1, characterized in that, the bottom of the upper mold body (2) is provided with a mold block (5) and the vertical plate (12) shape and size Matching recessed holes. 4. The injection mold with a multi-cavity assembly according to claim 1, wherein the top of the switch (3) protrudes from the top surface of the lower mold body (1), and the switch (3) passes through the wire It is electrically connected with the fan (9) and the battery pack (8), and a driving motor is arranged inside the fan (9). 5. The injection mold with a multi-cavity assembly according to claim 1, characterized in that, the top inner wall of the groove (4) is provided with threads matching the outer surface of the top of the mold block (5). 6. A kind of injection mold with multi-cavity assembly according to claim 1, characterized in that, the top of the baffle plate (16) passes through the inner wall of the lower mold body (1) through the connecting rope (17) and The bottom of the riser (12) is fixedly connected, the first strip groove (10), the square groove (7), the second strip groove (13) and the fourth strip groove (15) run through and communicate with each other, and the first strip groove (10) is located at Bar groove three (14) is near the side of lower die body (1) middle part. 7. A kind of injection mold with multi-cavity assembly according to claim 2, characterized in that, the first round hole (6) and the second round hole (18) are in the same vertical plane, and the first round hole (6) ) and the diameter of the inner surface of circular hole two (18) match the diameter of the cylinder (19) outer surface. 8. The injection mold with a multi-cavity assembly according to claim 2, characterized in that, the spring one (21) is installed on the outer surface of the cylinder (19), and the bottom plate (20) passes through the spring one (21) ) and the top of the inner cavity of the lower mold body (1) are fixedly installed, the position and quantity of the magnetic block (22) are all matched with the position and quantity of the bottom plate (20), and the magnetic poles between the magnetic block (22) and the bottom plate (20) on the contrary.

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